泰安Half nipple
泰安Nipple
泰安Long nipple
泰安Half thread long nipple
泰安Hexagon nipple
泰安Hexagon F/M nipple
泰安Hexagon reducer nipple
泰安Hose nipple L-type
泰安Hose connector whj
泰安Hose connector WHS
泰安Hose joint WRH for welding
泰安Round water pipe joint wrhn
